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author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2011-10-11 18:04:05 (GMT) |
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committer | Jeff Garzik <jgarzik@redhat.com> | 2011-10-14 17:08:05 (GMT) |
commit | 73222c2ddf5e2da2223d0b7329bad85c7e6ae1f8 (patch) | |
tree | dcea643e37026c9033f6649d2237723f4132c70b /drivers | |
parent | f4c6ae50209a4405b2b0bc99eb449060877eef42 (diff) | |
download | linux-fsl-qoriq-73222c2ddf5e2da2223d0b7329bad85c7e6ae1f8.tar.xz |
pata_cs5535: no need to program PIO0 timings during device init
Core libata code takes care of it nowadays.
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/ata/pata_cs5535.c | 12 |
1 files changed, 0 insertions, 12 deletions
diff --git a/drivers/ata/pata_cs5535.c b/drivers/ata/pata_cs5535.c index 697a3ed..a0b4640 100644 --- a/drivers/ata/pata_cs5535.c +++ b/drivers/ata/pata_cs5535.c @@ -67,8 +67,6 @@ #define CS5535_CABLE_DETECT 0x48 -#define CS5535_BAD_PIO(timings) ( (timings&~0x80000000UL)==0x00009172 ) - /** * cs5535_cable_detect - detect cable type * @ap: Port to detect on @@ -188,16 +186,6 @@ static int cs5535_init_one(struct pci_dev *dev, const struct pci_device_id *id) }; const struct ata_port_info *ppi[] = { &info, &ata_dummy_port_info }; - u32 timings, dummy; - - /* Check the BIOS set the initial timing clock. If not set the - timings for PIO0 */ - rdmsr(ATAC_CH0D0_PIO, timings, dummy); - if (CS5535_BAD_PIO(timings)) - wrmsr(ATAC_CH0D0_PIO, 0xF7F4F7F4UL, 0); - rdmsr(ATAC_CH0D1_PIO, timings, dummy); - if (CS5535_BAD_PIO(timings)) - wrmsr(ATAC_CH0D1_PIO, 0xF7F4F7F4UL, 0); return ata_pci_bmdma_init_one(dev, ppi, &cs5535_sht, NULL, 0); } |